Python 201: Intermediate Python

Python 201 is the sequel to my first book, Python 101. If you already know the basics of Python and now you want to go to the next level, then this is the book for you! This book is for intermediate level Python programmers only. There won't be any beginner chapters here. This book is based on Python 3.

Cover art by Varya Kolesnikova. You can view more of her art on Behance or Instagram.

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Table of Contents

  • Introduction
      • About the Author
      • Conventions
      • Requirements
      • Reader Feedback
      • Errata
      • Code Examples
  • Part I - The Intermediate Modules
  • Chapter 1 - An Intro to Argument Parsing using argparse
      • Getting Started
      • Adding Arguments
      • Short Options and Long Options
      • Options that Conflict
      • Wrapping Up
  • Chapter 2 - The collections module
      • ChainMap
      • Counter
      • defaultdict
      • deque
      • namedtuple
      • OrderedDict
      • Wrapping Up
  • Chapter 3 - Context Managers
      • Creating a Context Manager class
      • Creating a Context Manager using contextlib
      • contextlib.closing(thing)
      • contextlib.suppress(*exceptions)
      • contextlib.redirect_stdout / redirect_stderr
      • ExitStack
      • Reentrant Context Managers
      • Wrapping Up
  • Chapter 4 - The functools module
      • Caching with functools.lru_cache
      • functool.partial
      • Function Overloading with functools.singledispatch
      • functools.wraps
      • Wraps to the Rescue!
      • Wrapping Up
  • Chapter 5 - All About Imports
      • Regular Imports
      • Using from module import something
      • Relative Imports
      • Optional Imports
      • Local Imports
      • Import Pitfalls
      • Wrapping Up
  • Chapter 6 - The importlib Module
      • Dynamic Imports
      • Module Import Checking
      • Import From Source File
      • import_from_github_com
      • Wrapping Up
  • Chapter 7 - Iterators and Generators
      • Iterators
      • Creating Your Own Iterators
      • Generators
      • Wrapping Up
  • Chapter 8 - The itertools Module
      • The Infinite Iterators
      • Iterators That Terminate
      • The Combinatoric Generators
      • Wrapping Up
  • Chapter 9 - Regular Expressions
      • The Matching Characters
      • Pattern Matching Using search
      • Escape Codes
      • Compiling
      • Compilation Flags
      • Finding Multiple Instances
      • Backslashes Are Complicated
      • Wrapping Up
  • Chapter 10 - The typing Module
      • Type Hints and Overloaded Functions
      • Wrapping Up
  • Part II - Odds and Ends
  • Chapter 11 - Python Built-ins
      • any
      • enumerate
      • eval
      • filter
      • map
      • zip
      • Wrapping Up
  • Chapter 12 - Unicode
      • Encoding / Decoding
      • Wrapping Up
  • Chapter 13 - Benchmarking
      • timeit
      • Importing timeit for Testing
      • Use a decorator
      • Create a Timing Context Manager
      • cProfile
      • line_profiler
      • memory_profiler
      • profilehooks
      • Wrapping Up
  • Chapter 14 - Encryption and Cryptography
      • Hashing
      • Key Derivation
      • PyCrypto
      • The cryptography Package
      • Wrapping Up
  • Chapter 15 - Databases
      • Basic SQL Syntax
      • adodbapi
      • pyodbc
      • pypyodbc
      • MySQL
      • PostgreSQL
      • Object Relational Mappers
      • Wrapping Up
  • Chapter 16 - The super built-in
      • Python 2 vs Python 3
      • Method Resolution Order (MRO)
      • Wrapping Up
  • Chapter 17 - Descriptors
      • The Descriptor Protocol
      • Calling a Descriptor
      • Descriptor Examples
      • Wrapping Up
  • Chapter 18 - Scope
      • Local Scope
      • Global Scope
      • nonlocal Scope
      • Wrapping Up
  • Part III - Working with the Web
  • Chapter 19 - Web Scraping
      • Tips for Scraping
      • Preparing to Scrape
      • BeautifulSoup
      • Scrapy
      • Wrapping Up
  • Chapter 20 - Web APIs
      • Twitter
      • Reddit
      • Wikipedia
      • Other API Libraries
      • Wrapping Up
  • Chapter 21 - Working with FTP
      • Connecting to an FTP Server
      • Navigating Directories with ftplib
      • Downloading a File via FTP
      • Uploading Files to an FTP Server
      • Wrapping Up
  • Chapter 22 - The urllib Module
      • urllib.request
      • urllib.parse
      • urllib.robotparser
      • Wrapping Up
  • Part IV - Testing
  • Chapter 24 - The doctest Module
      • How it Works
      • Check Your Test With a Text File
      • Option Flags and Directives
      • Wrapping Up
  • Chapter 24 - The unittest Module
      • A Simple Example
      • Command-Line Interface
      • Creating a More Complex Test
      • Creating Test Suites
      • How to Skip Tests
      • Integrating with doctest
      • Wrapping Up
  • Chapter 25 - The mock Module
      • Simple Examples
      • Side Effects
      • Autospeccing
      • The Patch
      • Wrapping Up
  • Chapter 26 - An Intro to coverage.py
      • Additional Information
      • Wrapping Up
  • Part V - Concurrency
  • Chapter 27 - The asyncio Module
      • Definitions
      • async and await
      • A Bad Coroutine Example
      • A Better Coroutine Example
      • Scheduling Calls
      • Tasks
      • Wrapping Up
  • Chapter 28 - The threading Module
      • Intro to threads
      • Locks and Synchronization
      • Timers
      • Other Thread Components
      • Thread Communication
      • Wrapping Up
  • Chapter 29 - The multiprocessing Module
      • Getting Started With Multiprocessing
      • Locks
      • Logging
      • The Pool Class
      • Process Communication
      • Wrapping Up
  • Chapter 30 - The concurrent.futures Module
      • Creating a Pool
      • Deadlocks
      • Wrapping Up

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